| Wed | Apr 01 | 19:00 | Harvard number theory seminar | Juanita Duque-Rosero | Triangular modular curves | |
| Wed | Apr 01 | 19:00 | Noncommutative geometry in NYC | Cédric Arhancet | Classical harmonic analysis viewed through the prism of noncommutative geometry | |
| Wed | Apr 01 | 22:00 | University of Utah Representation Theory / Number Theory Seminar | Kei Yuen Chan | Branching laws for general linear groups over local fields: Rankin-Selberg integrals and minimal multisegments | |
| Wed | Apr 01 | 23:00 | UCSD number theory seminar | Wei Yao | $p$-adic height pairing using $K_2$-class field theory and Galois-valued heights | |
| Thu | Apr 02 | 02:00 | ANU Research School of Earth Sciences school seminar | Academy of Science Medal Celebration | TBA | |
| Thu | Apr 02 | 04:00 | Computational algebra seminar | Adam Logan | The Kodaira dimension of Hilbert modular threefolds | |
| Thu | Apr 02 | 08:00 | Autocatalysis in reaction networks | Yi Fu | Analysis of singularly perturbed stochastic reaction networks motivated by applications to epigenetic cell memory | |
| Thu | Apr 02 | 08:30 | Autocatalysis in reaction networks | Richard Golnik | Enumeration of Autocatalytic Subsystems in Chemical Reaction Networks | |
| Thu | Apr 02 | 10:00 | AUTH-MATH-PH | Grigorios Fournodavlos | Big Bang Singularities | |
| Thu | Apr 02 | 11:00 | Mathematical models and integration methods | V. A. Gordin | The compact finite-difference scheme and modified Richardson extrapolation for NLSE | |
| Thu | Apr 02 | 12:40 | METU Mathematics General Seminar | Tülin Altunöz | Lefschetz Fibrations with Arbitrary Slope | |
| Thu | Apr 02 | 13:30 | JoMaReC - Joint Online Mathematical Relativity Colloquium | Mariem Magdy | Estimates for spinor fields using the space-spinor formalism | |
| Thu | Apr 02 | 15:00 | Number Theory Web Seminar | Mark Shusterman | Sums of Root Numbers of Artin $L$-functions | |
| Thu | Apr 02 | 15:00 | Quasiworld Seminar | Pekka Pankka | Uniformization of Thurston-type maps | |
| Thu | Apr 02 | 16:00 | Quasiworld Seminar | Julia Münch | Extending rational expanding Thurston maps | |
| Thu | Apr 02 | 17:00 | Topos Institute Colloquium | Andrej Bauer | Classically laughable theorems | |
| Thu | Apr 02 | 18:00 | Online logic seminar | John Baldwin | Categoricity for the inferential $\omega$-logic and $L_{\omega_1\omega}$ | |
| Thu | Apr 02 | 20:30 | M-seminar | Sam DeHority | Orientifold lines from CoHA modules (part 3 of 3) | |
| Thu | Apr 02 | 20:30 | SFU NT-AG seminar | Janet Page | Smooth Surfaces with Maximally Many Lines | |
| Thu | Apr 02 | 21:00 | STAGE | Leonid Gorodetskii | Universal torsors | |
| Thu | Apr 02 | 21:00 | UCLA Combinatorics Seminar | Abhishek Dhawan | Independent sets in $K_{t,t,t}$-free graphs | |
| Fri | Apr 03 | 02:00 | IBS Biomedical Mathematics Online Colloquium | Sean Lawley | Stochastics in medicine: Delaying menopause and missing drug doses | |
| Fri | Apr 03 | 08:00 | SEU Yau Center Theoretical Physics Seminars | David Berenstein | TBA | |
| Fri | Apr 03 | 10:00 | Yeditepe Mathematics Seminars | Murat Can Aşkaroğulları | Leibniz PROP is a crossed presimplicial algebra | |
| Fri | Apr 03 | 10:00 | Algebra and Logic Seminar | Valentin Iliev | On Pairs of Non-commuting Hermitian Operators on the Unitary Plane which are Permutable Measurements | |
| Fri | Apr 03 | 12:40 | ODTU-Bilkent Algebraic Geometry Seminars | Roberto Villaflor Loyola | On the linear cycles conjecture | |
| Fri | Apr 03 | 17:00 | VCU Geometry and Topology Seminar | Quincy Frias | TBA | |
| Sat | Apr 04 | 14:05 | Knots, graphs and groups | Радомир Степанов | Редукция гомологий Хованова-Рожанского для бипартитных узлов | |
| Mon | Apr 06 | 06:00 | Tropical mathematics and machine learning | Sherkhon Azimov | Adaptive Nonlinear Vector Autoregression: Robust Forecasting for Noisy Chaotic Time Series | |
| Mon | Apr 06 | 11:15 | CAM seminar | Easter | TBA | |
| Mon | Apr 06 | 13:40 | Nečas Seminar on Continuum Mechanics | Easter Monday | TBA | |
| Mon | Apr 06 | 14:00 | Geometric and functional inequalities and applications | Ruixiang Zhang | The Mizohata-Takeuchi Conjecture for convex hypersurfaces | |
| Mon | Apr 06 | 15:00 | European Non-Associative Algebra Seminar | Rong Tang | Homotopy theory of post-Lie algebras | |
| Mon | Apr 06 | 15:30 | Knots and representation theory | Byeorhi Kim | On the construction of foldings of branched covers along knots | |
| Mon | Apr 06 | 20:00 | Boston University Number Theory Seminar | Ashvin Swaminathan | TBA | |
| Mon | Apr 06 | 22:00 | UCLA Number Theory Seminar | Francesc Castella | TBA | |
| Tue | Apr 07 | 12:00 | One World Numeration seminar | Vítězslav Kala | Using geometric continued fractions for universal quadratic forms | |
| Tue | Apr 07 | 14:00 | Bilecik Algebra and Number Theory General Seminar | Hossein Movasati | Hasse-Witt invariants of Calabi-Yau varieties | |
| Tue | Apr 07 | 15:00 | Potomac region PDE seminar | Jason Murphy | Recovering the nonlinearity from the scattering map | |
| Tue | Apr 07 | 16:00 | Online Seminar On Undergraduate Mathematics Education | Rebecca Nugent | SCORE with Data | |
| Tue | Apr 07 | 18:30 | NHETC Seminar | Marius Kongsore | TBA | |
| Tue | Apr 07 | 19:00 | Harvard MIT Algebraic Geometry Seminar | Hanlin Cai | Perturbation of mixed characteristics test ideals | |
| Tue | Apr 07 | 20:00 | Five College Number Theory Seminar | No Seminar | Previously scheduled seminar was moved to May 12 | |
| Tue | Apr 07 | 20:30 | MIT number theory seminar | Haoyang Guo | A primitive purity theorem for Frobenius modules | |
| Tue | Apr 07 | 22:30 | PIMS-CORDS SFU Operations Research Seminar | Hongda Li (UBC-O hosted) | Quadratic Growth Gives Near Optimal Total Complexity for Inexact Accelerated Proximal Gradient Method | |
| Wed | Apr 08 | 07:00 | Necas PDE seminar | Josef Janak | TBA | |
| Wed | Apr 08 | 07:30 | Moscow-Beijing topology seminar | Kursat Sozer | TBA | |
| Wed | Apr 08 | 08:40 | Function spaces | Wen Qi Zhang | Stein-Weiss and power weight Sobolev inequalities in $L^1$ | |
| Wed | Apr 08 | 11:15 | Gothenburg statistics seminar | Easter break | TBA | |
| Wed | Apr 08 | 11:30 | Prague-Hradec Kralove seminar Cohomology in algebra, geometry, physics and statistics | Ruben Louis | On construction of differential Z-graded varieties (Joint work with A. Hancharuk) | |
| Wed | Apr 08 | 11:30 | RA Seminar | Nicholas Williams | Oriented matroids and maximal green sequences of type A cluster algebras | |
| Wed | Apr 08 | 13:00 | One FLAT World Seminar | Florin Manea | Optimal enumeration of regular pattern matches | |
| Wed | Apr 08 | 14:00 | Asymptotic Methods in Statistics | Prof. Dr. Igor Mandel (NJ, USA) & Prof.Dr. Stan Lipovetsky (MN, USA) | Simulation-Based Insights and Novel Criteria for Linear Regression Modeling | |
| Wed | Apr 08 | 16:00 | Metagovernance Seminar | Brett Frischmann | "Infrastructure: The Social Value of Shared Resources” with Brett Frischmann | |
| Wed | Apr 08 | 16:20 | Geometry of differential equations seminar | Wijnand Steneker | On globally invariant Euler-Lagrange equations for curves | |
| Wed | Apr 08 | 19:00 | Harvard number theory seminar | Jennifer Balakrishnan | TBA | |
| Wed | Apr 08 | 19:00 | Noncommutative geometry in NYC | Alessandro Vignati | Rigidity of Roe-like algebras | |
| Thu | Apr 09 | 04:00 | Asymptotic Methods in Statistics | PhD student Viktor Hladun | On uniform Strong Law of Large Numbers for weighted shot noise and consistency of the Least Squares Estimator of chirp signal parameters | |
| Thu | Apr 09 | 07:00 | Postech-PMI Number Theory Seminar | Dongryul Kim | Igusa stacks and the cohomology of Shimura varieties | |
| Thu | Apr 09 | 12:40 | METU Mathematics General Seminar | Todor Tsankov | TBA | |
| Thu | Apr 09 | 14:00 | Maths seminars at the University of Galway | Julia Münch | Contatc: Nina | |
| Thu | Apr 09 | 14:30 | Gothenburg PhD seminar | Mathis Rost | Wildfire Forecasting with Point Processes | |
| Thu | Apr 09 | 15:00 | Seminar on the Mathematics of Reaction Networks | Nidhi Kaihnsa | TBA | |
| Thu | Apr 09 | 15:00 | Number Theory Web Seminar | Jori Merikoski | On the greatest prime factor and uniform equidistribution of quadratic polynomials | |
| Thu | Apr 09 | 15:30 | Seminar on the Mathematics of Reaction Networks | Hye-Won Kang | Multiscale Approximation and Parameter Estimation in Stochastic Models of the Glycolytic Pathway | |
| Thu | Apr 09 | 16:00 | Online Complexity Seminar | Nathan Sheffield | The Structure of In-Place Space-Bounded Computation | |
| Thu | Apr 09 | 17:00 | Joint SIAM-BFS Mathematical Finance Online Seminar | Yufei Zhang | An alpha-potential game framework for dynamic N-player games | |
| Thu | Apr 09 | 17:00 | Topos Institute Colloquium | Danel Ahman | Containers and Comodule Representations of Second-Order Functionals | |
| Thu | Apr 09 | 17:00 | Art and Math Seminar | Nathan McClendon | TBA | |
| Thu | Apr 09 | 18:00 | Online logic seminar | Stanislav Srednyak | On logical problems arising in atomic and particle physics | |
| Thu | Apr 09 | 20:30 | SFU NT-AG seminar | Yixin Chen | Transcendental Brauer-Manin Obstruction | |
| Thu | Apr 09 | 21:00 | STAGE | TBA | Torsors over a diagonal cubic surface | |
| Fri | Apr 10 | 09:00 | SISSA's Analysis seminars | Massimo Sorella | Fast dynamo action on the 3-torus for pulsed-diffusions | |
| Fri | Apr 10 | 12:40 | ODTU-Bilkent Algebraic Geometry Seminars | Michael Chitayat | Borel subgroups of $\rm{Aut}(\mathbb{A}^n)$ | |
| Fri | Apr 10 | 13:15 | Symplectic zoominar | Eric Kilgore (USC) | Equivariant contact Floer cohomology for quotient spaces | |
| Fri | Apr 10 | 14:00 | Cross Alps Logic Seminar | Pino Rosolini | TBA | |
| Fri | Apr 10 | 15:00 | CRM - Séminaire du CIRGET / Géométrie et Topologie | David Calderbank | TBA | |
| Fri | Apr 10 | 16:00 | GEOTOP-A seminar | Nikolas Schonsheck | Identifying, tracking, and learning the grid cell circular coordinate systems | |
| Fri | Apr 10 | 17:00 | Geometry Webinar AmSur /AmSul | Jesse Madnick | Hyperbolicity and conformal curves in calibrated geometry | |
| Fri | Apr 10 | 17:00 | VCU Geometry and Topology Seminar | Siddarth Kannan | TBA | |
| Fri | Apr 10 | 22:30 | SFU Mathematics of Computation, Application and Data ("MOCAD") Seminar | Simone Brugiapaglia | From compression to depth: generative compressive sensing and deep greedy unfolding for signal reconstruction | |
| Sat | Apr 11 | 12:30 | Knots, graphs and groups | Ivan Remizov | TBA | |
| Mon | Apr 13 | 10:30 | Basic Notions and Applied Topology Seminar | Jakub Malinowski | Deep Learning (Part 2) | |
| Mon | Apr 13 | 11:15 | CAM seminar | Michael Tretyakov | TBA | |
| Mon | Apr 13 | 12:00 | Paris algebra seminar | Lior Silberberg | Folding of cluster algebras and quantum toroidal algebras | |
| Mon | Apr 13 | 13:40 | Nečas Seminar on Continuum Mechanics | P.Podio-Guidugli/L. Truskinovsky | TBA | |
| Mon | Apr 13 | 14:00 | Geometric and functional inequalities and applications | Carlo Sinestrari | TBA | |
| Mon | Apr 13 | 14:00 | Seminar on Microbial Biotechnology: Developing the Conceptual Framework of the DBTL Cycle | Jasper Koehorst | TBC | |
| Mon | Apr 13 | 14:00 | Quantum Groups Seminar [QGS] | Alfons Van Daele | Discrete quantum groups | |
| Mon | Apr 13 | 14:00 | SISSA algebraic geometry seminar | Marco Miceli | The universal curve and the gluing morphisms | |
| Mon | Apr 13 | 15:00 | European Non-Associative Algebra Seminar | Maria Ferrara | A Sylow Theorem for Some Classes of Finite Skew Braces | |
| Mon | Apr 13 | 15:00 | Mathematical and Computational Biology Seminar Series | Suzanne Sindi | TBA | |
| Mon | Apr 13 | 18:15 | Number Theory and Combinatorics Seminar (NTC) | Andrea Burgess | TBA | |
| Mon | Apr 13 | 20:00 | Boston University Number Theory Seminar | David Zureick-Brown | Angle ranks of Abelian varieties | |
| Mon | Apr 13 | 22:00 | UCLA Number Theory Seminar | Mingjia Zhang | TBA | |
| Tue | Apr 14 | 01:00 | Nonlinear Analysis Seminar Series | Wenqi Zhang | TBA | |
| Tue | Apr 14 | 07:00 | Necas PDE seminar | Malte-Laurens Kampschulte | TBA | |
| Tue | Apr 14 | 13:00 | One World Combinatorics on Words Seminar | Idrissa Kaboré | TBA | |
| Tue | Apr 14 | 14:00 | Florida Atlantic University Crypto Café | Christophe Petit | TBA | |
| Tue | Apr 14 | 14:00 | One world IAMP mathematical physics seminar | Piet Lammers | Gaussian free field convergence of the six-vertex model with Delta between -1 and -1/2 | |
| Tue | Apr 14 | 15:00 | The Isogeny Club | Eda Kırımlı | TBA | |
